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As early as 426 BC the Greek historian Thucydides inquired in his book History of the Peloponnesian War about the causes of tsunami, and was the first to argue that ocean earthquakes must be the cause. [12] [13] The oldest human record of a tsunami dates back to 479 BC, in the Greek colony of Potidaea, thought to be triggered by an earthquake.
A tsunami is a series of large water waves caused by the displacement of a large volume within a body of water, often caused by earthquakes, or similar events. This may occur in lakes as well as oceans, presenting threats to both fishermen and shoreside inhabitants.
The earthquake was the second of a sequence of five shocks that shook Calabria between 5 February and 28 March 1783. The citizens of Scilla spent the night after the first earthquake on the beach, where they were washed away by the tsunami, causing 1,500 deaths. The tsunami was caused by the collapse of Monte Paci into the sea, near the city.
The last tsunami warning in the San Francisco Bay Area followed a 9.1 earthquake in Tohoku, Japan that sparked a major nuclear accident at the Fukushima-Daiichi nuclear power plant in March 2011 ...
Moderately damaging earthquakes strike between New York and Wilmington, Delaware, about twice a century, the USGS said, and smaller earthquakes are felt in the region roughly every two to three years.
In seismology, a tsunami earthquake is an earthquake which triggers a tsunami of significantly greater magnitude, as measured by shorter-period seismic waves. The term was introduced by Japanese seismologist Hiroo Kanamori in 1972. [1] Such events are a result of relatively slow rupture velocities. They are particularly dangerous as a large ...
A quake that powerful could cause shaking that lasts about five minutes and generate tsunami waves up to 80 feet tall. It would damage well over half a million buildings, according to emergency ...
[1] [2] Thucydides inquired into its causes, and concluded that the tsunami must have been caused by an earthquake. [3] He was thus historically the first known to correctly interpret the cause of a tsunami as a preceding geological event. [4] Herodotus, in contrast, had attributed the Potidaea tsunami to the divine wrath of Poseidon. [5]